adg/adg-ldim-private.h

   1 /* ADG - Automatic Drawing Generation
   2  * Copyright (C) 2007-2008, Nicola Fontana <ntd at entidi.it>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17  * Boston, MA  02110-1301, USA.
  18  */
  19
  20
  21 #ifndef __ADG_LDIM_PRIVATE_H__
  22 #define __ADG_LDIM_PRIVATE_H__
  23
  24 #include <cairo.h>
  25
  26
  27 G_BEGIN_DECLS
  28
  29 /* The path_data cache is structured as following:
  30  * [0]  = MOVE_TO
  31  * [1]  = baseline start
  32  * [2]  = LINE_TO
  33  * [3]  = baseline end
  34  * [4]  = MOVE_TO
  35  * [5]  = first extension line start
  36  * [6]  = LINE_TO
  37  * [7]  = first extension line end
  38  * [8]  = MOVE_TO
  39  * [9]  = second extension line start
  40  * [10] = LINE_TO
  41  * [11] = second extension line end
  42  *
  43  * The director_data cache is as following:
  44  * [0]  = LINE_TO
  45  * [1]  = end of arrow director
  46  * In this case, the start of the arrow director is kept in the
  47  * org field of director.
  48  */
  49
  50 struct _AdgLDimPrivate {
  51     /* Properties */
  52     double              direction;
  53
  54     /* Cache */
  55     cairo_path_t        path;
  56     cairo_path_data_t   path_data[12];
  57     CpmlPath            director;
  58     cairo_path_data_t   director_data[2];
  59 };
  60
  61 G_END_DECLS
  62
  63
  64 #endif /* __ADG_LDIM_PRIVATE_H__ */